Where are we when you look at open source textbooks? This infographic explores the situation and the solution, as well as sharing locations where you may find open source materials. (You might also do a search on OER in this Scoop.it for locations).
Given finances of schools I think that open education resouces (that’s the OER referred to above) will become more common…but that is my personal opinion.
See on edtechdigest.wordpress.com